Objective
To classify data and analyze samples and surveys
In the Solve It, the restaurant manager collected data from the customers of the restaurant. In this lesson, you will learn about ways to collect data.
Essential Understanding When collecting data to solve a problem, you need to make sure that your methods are fair and that you accurately represent the results.
You can collect data using measurements or categories. Quantitative data measure quantities and can be described numerically, such as test scores and ages. Qualitative data name qualities and can be words or numbers, such as sports or ZIP codes.
Types of Data | Description | Examples |
---|---|---|
Quantitative | Has units and can be measured and numerically compared |
Age: 13 yr Weight: 214 g Time: 23 min |
Qualitative | Describes a category and cannot be measured or numerically compared |
Hair color: brown Attitude: optimistic ZIP code: 02125 |